Table 3.

Elemental composition at different positions on the sharp angle side/Wt%.

Element	C	O	Al	Cr	Co	Ni	Y	Zr
Position 1	6.29	20.57	0.2	0.11	0	1.16	5.17	64.37
Position 2	6.29	3.61	3.08	3.62	9.01	69.39	0	0
Position 3	7.55	4.12	7.45	7.49	8.62	58.6	0	0